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ID 115098
Author
Yamamoto, Daisuke Nagoya Institute of Technology
Uchiya, Takahiro Nagoya Institute of Technology
Takumi, Ichi Nagoya Institute of Technology
Keywords
Spoken dialog system
MMDAgent
Digital signage
Real field
Web service
User-generated content
Consumer-generated media
Content Type
Journal Article
Description
In this paper, a web-based spoken dialog generation environment which enables users to edit dialogs with a video virtual assistant is developed and to also select the 3D motions and tone of voice for the assistant. In our proposed system, “anyone” can “easily” post/edit contents of the dialog for the dialog system. The dialog type corresponding to the system is limited to the question-and-answer type dialog, in order to avoid editing conflicts caused by editing by multiple users. The spoken dialog sharing service and FST generator generates spoken dialog content for the MMDAgent spoken dialog system toolkit, which includes a speech recognizer, a dialog control unit, a speech synthesizer, and a virtual agent. For dialog content creation, question-and-answer dialogs posted by users and FST templates are used. The proposed system was operated for more than a year in a student lounge at the Nagoya Institute of Technology, where users added more than 500 dialogs during the experiment. Images were also registered to 65% of the postings. The most posted category is related to “animation, video games, manga.”
The system was subjected to open examination by tourist information staff who had no prior experience with spoken dialog systems. Based on their impressions of tourist use of the dialog system, they shortened the length of some of the system’s responses and added pauses to the longer responses to make them easier to understand.
Journal Title
EURASIP Journal on Audio, Speech, and Music Processing
ISSN
16874722
Publisher
BioMed Central|Springer Nature
Volume
2018
Start Page
17
Published Date
2018-11-16
Rights
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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DOI (Published Version)
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language
eng
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departments
Science and Technology